Document Detail


In vitro determination of the anti-aging potential of four southern African medicinal plants.
MedLine Citation:
PMID:  24188320     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Aging is an inevitable process for all living organisms. During this process reactive oxygen species generation is increased which leads to the activation of hyaluronidase, collagenase and elastase, which can further contribute to skin aging. Four southern African medicinal plants; Clerodendrum glabrum, Schotia brachypetala, Psychotria capensis and Peltophorum africanum, were investigated to assess their anti-aging properties.
METHODS: Anti-elastase, anti-collagenase and anti-hyaluronidase activities of twenty-eight samples, consisting of methanol and ethyl acetate extracts of the four plants, were determined using spectrophotometric methods. Radical scavenging activity was determined by the ability of the plant extracts to scavenge the ABTS•+ radical.
RESULTS: The majority of the samples in the anti-elastase assay and nine in the anti-collagenase assay showed more than 80% inhibition. The ethyl acetate extract of S. brachypetala bark and leaves of P. capensis inhibited elastase activity by more than 90%. The methanol extract of S. brachypetala bark contained the highest anti-hyaluronidase activity (75.13 ± 7.49%) whilst the ethyl acetate extract of P. africanum bark exhibited the highest antioxidant activity (IC50: 1.99 ± 0.23 μg/ml).
CONCLUSION: The free radical scavenging activity and enzyme inhibitory activity of the plant extracts investigated suggests that they can help restore skin elasticity and thereby slow the wrinkling process. P. africanum was the plant with the most promising activity and will be subjected to further testing and isolation of the active compound/s.
Authors:
Gugulethu Ndlovu; Gerda Fouche; Malefa Tselanyane; Werner Cordier; Vanessa Steenkamp
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2013-11-05
Journal Detail:
Title:  BMC complementary and alternative medicine     Volume:  13     ISSN:  1472-6882     ISO Abbreviation:  BMC Complement Altern Med     Publication Date:  2013  
Date Detail:
Created Date:  2014-01-17     Completed Date:  2014-11-12     Revised Date:  2014-11-16    
Medline Journal Info:
Nlm Unique ID:  101088661     Medline TA:  BMC Complement Altern Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  304     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Aging / drug effects*
Enzyme Inhibitors / analysis*,  isolation & purification,  pharmacology
Humans
Hyaluronoglucosaminidase / antagonists & inhibitors
Oxidation-Reduction
Pancreatic Elastase / antagonists & inhibitors
Plant Extracts / analysis*,  isolation & purification,  pharmacology
Plants, Medicinal / chemistry*
South Africa
Chemical
Reg. No./Substance:
0/Enzyme Inhibitors; 0/Plant Extracts; EC 3.2.1.35/Hyaluronoglucosaminidase; EC 3.4.21.36/Pancreatic Elastase
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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